My professional concern has been to investigate the significance of lead per se in the environment of man.

At this time regulations only require us to notify employees of over exposure to asbestos, not lead since the stay placed by the D.C.

Morgan, "Background of consideration of carcinogenicity of lead chromate and zinc chromate pigments," memorandum dated April 14, 1975" (HL File C-01522). 2.

Such experience as I've had leads ne to believe that proper firing to accomplish this complete conversion is one of the highly important factors in reducing the extraetablllty of lead from the wh i cli As to the research laboratories w-. are presently engaged in work of this type, or have, in the past, had experience in this field, X cannot give you satisfactoz advice at present.

rOYEE RELATIONS DEPARTMENT MEDICAL RESEARCH PROJECT MR-10-A-11 PART I :.T ' l.WESTIGATION OF THE INHIBITION OF $-AMINOLEVULINIC ACID DEHYDPASE BY LEAD .v:ority is requested to undertake the investigation identified above and T as follows: ` Irement of the enzyme ALA dehydrate has been advocated as a means of y workers exposed to lead.

Mins: This letter and the attachments are ir. response to your request for information regarding lead and asbestos in our AdiCHOR Com position Brake Shoes.

My professional concern has been to investigate the significance of lead per se in the environment of man.

(Booklets) 08 Copper Institute (Booklets) 08 International Copper Research Assoc. 08 International Economic Policy Association 08 International Lead & Zinc Study Groups 08 Lead Industries Assoc., Inc. 08 Lead Zinc Producer's Committee 08 Mining Club 08 Mining Club Southwest 08 Mining International Year Book 08 National Assoc, of Secondary Material 1972 1972 1972 Industries, Inc. 08 Northwest Mining Assoc. 08 Offshore Technology Conference 08 Old Times Club 1972 1972 1972 08 Rocky Mountain Mineral Law Foundation 08 Smelter Control Research Assoc., Inc. 08 American Mining Congress Board of Director Received by -- dal d A.R.CO.-350-B - - Front - (11-78) N12434 DRC000002684 Indexed by -- date Report date r?

Y-2251-B, B-l, Glidden House Paint Primer Both formulas will be lead-free and will use the new mildewcide e -451 on an equal cost basis.

Do the methods employed furnish a valid indication of lead poisoning?

^Telephone; (212) 679-6020 a JM. bmq u n s o m / May 22, 1970 SUBJECT: BULLETIN NO. 6 - LEAD IN GASOLINE TO: ALL MEMBERS OF THE LEAD INDUSTRIES ASSOCIATION, INC.

T h e m is, admittedly, a bit of neurosis over the matter of lead in the environ ment of man at present.

The Lead Industries Association, which is a client of my company, is most interested in determining if there is a feasible way for the Association to cooperate in this program.

Smith Secretary Lead Industries Association, 292 Madiscn Avenue New York, New York Inc.

This night pemlt the use of cobalt driers la place of lead.